PCGame

Rainbow Billy: The Curse of the Leviathan

A creature-collecting adventure RPG built around friendship rather than violence

ManaVoid Entertainment · Published by Indie Asylum, Skybound Games · Released Oct 5, 2021

AdventureIndieRPG

Reviews
Very Positive
91% of 150
Recent reviews
Not enough recent
Players
0
daily peak, Nov 2, 2026
Steam Deck
Verified
Last update on Steam
4 years ago
Feb 8, 2022
Minimum PC
GeForce GTX 650
4 GB RAM · 4 GB disk
Full requirements

Metacritic: 81/100 (critic reviews)

What is Rainbow Billy: The Curse of the Leviathan?

This single-player 2.5D adventure follows a quest to restore color to a monochrome world. You explore islands and caves, solve environmental puzzles to unlock new areas, jump across platforms, and fish. You also assemble a team by helping creatures with their problems in nonviolent, turn-based encounters.

For you if...

  • +you like searching for secrets and collecting companions
  • +you prefer family-friendly adventures about empathy and self-acceptance

Not for you if...

  • −you want action combat centered on defeating enemies
  • −you expect demanding platforming and difficult puzzles

What players say

91% of 150 reviews are positive

Players praise the character backstories, their handling of personal struggles, and the retro cartoon art. The most common complaint is that repeated combat minigames become tedious and make encounters drag, particularly later in the game.

Screenshots and trailer

Rainbow Billy: The Curse of the Leviathan screenshot 1

Rainbow Billy: The Curse of the Leviathan system requirements

Minimum: GeForce GTX 650, 4 GB RAM, 4 GB of disk space.

As published by the developer.

Can my PC run Rainbow Billy: The Curse of the Leviathan?

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Minimum

OS
Win 8.1 64-bit or higher
Processor
AMD FX-4350 or Intel equivalent.
Graphics
Nvidia GeForce GTX 650, 1 GB or AMD Radeon HD 7750, 1 GB
Memory
4 GB RAM
Storage
4 GB available space
DirectX
Version 10

Recommended

OS
Windows 10
Processor
AMD Ryzen 3 1300X or Intel Core i5-7400
Graphics
AMD Radeon RX 5500 XT, 4 GB or Nvidia GeForce GTX 970, 4 GB
Memory
8 GB RAM
Storage
8 GB available space
DirectX
Version 10

Does Rainbow Billy: The Curse of the Leviathan have co-op or multiplayer?

No: single-player only, no multiplayer modes declared.

Does Rainbow Billy: The Curse of the Leviathan run on Steam Deck?

Verified Yes, Verified by Valve: it works on Steam Deck out of the box.

  • All functionality is accessible with the default controller configuration
  • Shows Steam Deck controller icons
  • In-game text is legible on Steam Deck
  • Default graphics settings perform well on Steam Deck

PC version details

DRM
None declared on Steam
Controller
Full controller support
Platforms
Windows
Achievements
39
Steam features
Cloud saves, Family Sharing
Languages
Text only: English, French, German, Spanish - Spain.

Does Rainbow Billy: The Curse of the Leviathan use AI-generated content?

No AI-generated content is disclosed on the game's Steam page.

Self-reported by the developer under Steam rules: it covers AI content that ships in the game, not tools used to make it. Steam page checked on Oct 27, 2026. How to filter AI games on Steam

Tags

Recent updates

1 DLC available.

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